Viewing Station: IL-DP-27 : Naperville 2.1 ESE
Mar 9, 2007 - Mar 31, 20225,002 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.00"
June 1-9, 2026(0 of 9 days covered by obs)
NOAA Normal
1.31"
Departure from Normal
-1.31" : 0% of Normal
Year-To-Date: 0.00"
Jan 1 to Jun 9, 2026(0 of 160 days covered by obs)
NOAA Normal
15.94"
Departure from Normal
-15.94" : 0% of Normal
Water Year-To-Date: 0.00"
Oct 1, 2025 to Jun 9, 2026(0 of 252 days covered by obs)
NOAA Normal
24.16"
Departure from Normal
-24.16" : 0% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.95
2.05
-0.10
Feb
1.82
1.91
-0.09
Mar
2.37
2.33
0.04
Apr
3.89
3.86
0.03
May
4.60
4.69
-0.09
Jun
4.37
4.41
-0.04
Jul
3.87
3.91
-0.04
Aug
4.07
3.96
0.11
Sep
3.26
3.23
0.03
Oct
3.49
3.50
-0.01
Nov
2.59
2.58
0.01
Dec
2.14
2.14
0.00
38.42
38.57
-0.15